Cover-Up!? The 2 Nightmare stories of Egyptair Flight 804

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We expect aviation experts to piece together the events of an incident like Egyptair flight 804 as thoroughly and objectively as possible. But what if those experts fundamentally disagree about what actually happened?

In today's video, we look back to the 19th of May 2016 and uncover the mystery together.
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Below you will find the links to videos and sources used in this episode.

SOURCES
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News footage and b-roll:
ABC NEWS
CNN
BBC News
BEA
Airbus
Arirang News
CBS News
Bloomberg Originals
Global News
ITV News
SKY News
Mehwar TV
Ahmed Ezzat
Mohamed Roshdy
Aircraft Austrailia
Extra news
Zodiac Aerospace / CTP Aviation
Microsoft Flight Simulator 2020 add-ons:
Documents:
ECAA Final Report MS804
BAE Final Report MS804
ABX Air (767DHL) Fire
Atlantic Southeast Airlines - ASA (CRJ-200ER) Fire
Egyptair - (777-200) Fire

#Mentourpilot #pilot #aircraft

[lZGamerzI]

as an Arabic speaker I would like to give some insight about 41:20
the phrase the person said is likely "استغفر الله" (astaghfir Allah) which literally means "I ask for forgiveness O Allah", Muslims usually say this when experiencing a sadly shocking situation, or when angry as a way to calm them down.

if it were their last prayer the person would most likely say The Shahada which is something all Muslims wish to say just before dying.

so the person saying "I ask for forgiveness O Allah" rather than The Shahada likely means that they will try to do something and are not going to give up yet.

[Kalisthenis]

This is probably one of the best episodes on this channel. Mature, thorough and honest. Top notch work from the team and Petter

[mrmattandmrchay]

In my opinion, this channel has overtaken Air Crash Investigation on the TV. MentorPilot is far more interesting, technical and there's no need for unneccessary 'acting', like they do on the TV.

[ahronshapiro]

One of the beloved schoolteachers from my area was on this flight. She had saved up for years for a chance to see the pyramids. Heartbreaking and so disturbing the story of what happened in the cockpit was suppressed and is not talked about much to this day. Thank you to Mentor Pilot for covering this tragedy many years on.

[mgelhammamy]

I lost a friend in this crash. I knew him since 1994, we studied engineering and he was a brilliant engineer and very successful professional afterwards.

[DJdopaminCZ]

I just love current state of YouTube. You can produce outstanding documentaries with lots of technical information moderated to the masses as opposed to dull sensationalism in TV which doesn't explain abaolutely anything in 60 minutes although they are produced by massive teams. You're amazing and thank you for your work!!!

[lcc]

Small correction: The overpressure the crew oxygen system provides is most likely 5 mbar so 5 thousands of a bar. Im an Anesthesiologist so i often deal with airway pressures, usually any pressure in excess of 30mbar is considerd hazardous. From my own experiance i can tell you that 10mbar of positive pressure already feels uncomfortable. I love your channel though - your takes on CRM are always spot on and i think medical professionals can learn a lot from aviation in that respect.

[TypicalAmericanDad]

The evolution of this channel from interesting plane stuff, to deep dives into crash reports, and now to full blown documentaries has been awesome! The channel has grown up alongside all of us watching it.

[MohAli-wk]

This is a detailed yet straightforward explanation of a tragic event. As an Egyptian to answer the question you raised at 44:20: Since 2013, the Egyptian president has used "terrorism" as a pretext to govern, leveraging mainstream media to incite public fear against "extremists"—a label applied to any peaceful political opposition. The General Attorney’s Office, directly appointed by the president, fabricates evidence to frame opposition figures as criminals. By 2016, dismantling opposition became the government's top priority. They exploited this devastating plane crash, falsely blaming "extremists" they knew didn’t exist, avoiding any real investigation because they were aware it wasn’t a terrorist attack from the start.
i would add that the first comment by the minister of aviation said that "a terrorist action is the most likely cause". this was 4 hours after the crash even before any investigation or lead has been discoverd.

hands up to the french team for there work toward public safety.

[AstroRamiEmad]

As a Syrian Interpreter of Arabic and English, I can clearly guess in the phrasing of the transcript that they used the word "Dakh=He fainted" rather than "Dakhan=He smoked". And in the second mention I think they were asking if they smell any (fire) smoke "Dakhna".
And I can guess the opening of the cockpit door was to get a fire distinguisher from the cabin, and the final words "Astaghfurallah=I ask forgiveness from God" might be a natural stress response phrase to dripping the hot burning fire distinguisher.

[radudeATL]

It’s strange: I’ve known about this flight for years, but my knowledge about the circumstances was severely lacking. It basically boiled down to “it crashed into the sea” and that’s about it. Given the complicated circumstances around the investigation and the facts of the accident itself, it makes sense why this info isn’t necessarily “mainstream.” Thank you so much for laying this all out in a clear, detailed, yet concise way. You and your team continue to do excellent work.

[Familyguy]

I prefer long form content like this. Not instant gratification, like tiktoks. Keep up the great work.

[sinisalazarek]

One very important thing about 100% Oxygen that hasn't been mentioned, is that when it comes in contact with oil/grease it can cause spontaneous explosion and combustion. You don't need any spark or open flame to ignite it. In technical diving we use 100% oxygen for decompressions and regulators and valves that are exposed to it need to be O2 clean and use special lubricants which are O2 safe. I'm sure that the O2 system in the airplane uses that same procedures, but don't know if that's the case for the rest of machinery. Pure O2 is so reactive that even a greasy napkin from lasagna dinner, if it was close to the source of 100% O2 would be enough to cause the initial flame/explosion.

[dbv]

This has triggered us to investigate how we would deal with an oxygen fire in our air ambulance. It has highlighted that the procedures for an oxygen leak were missing from our emergency checklist and that the requirement to isolate the oxygen system in any cabin fire had also been omitted. This is a classic case of an emergency checklist being designed for a factory aircraft and the need to properly integrate the emergency procedures from optional equipment in the main body of the cockpit procedure cards. I know for a fact there are loads of air ambulances out there without these critical role equipment based procedures for oxygen systems actually integrated with the aircraft manufacturer cards.

[ahmedabb]

I asked for this video six month ago, and I am very grateful you made it . I am Egyptian, and I can confirm that in every aspect of the government decisions, there is a hidden finger of denial and conspiracy theory that only the motive of them rather than accuracy and transparency. We have had a lot of Aerospace accidents in modern history and the reason is not us "the government", Unfortunately the victims are always innocent people ... May they rest in Peace .. Also if you may if the final report for Egypt Air Flight 990 MSR990 accident, consider it in one of the upcoming videos.

[philiphumphrey]

When I was working as a laboratory scientist, we used to use a lot of liquid nitrogen in the lab, and we had low oxygen sensors to protect us against nitrogen leaks going unnoticed. The same thing working in reverse (detecting oxygen significantly above 21%) could warn of oxygen enrichment before it gets too dangerous.

[srenkoch]

Pure oxygen fuelled fire - truly a nightmare situation.
I work with gas safety as part of my job as a safety officer at my university, and even though we use hydrogen, carbon-monoxide and other flammable and/or toxic gasses, it is the pressurised pure oxygen that I'm most concerned about.
The reason is as stated in this video, once a fire starts in pure oxygen systems, you can not put it out (as was also witnessed in the apollo 1 tragedy).
One of the reasons is that the fire can burn inside valves and tubing, so even if you empty a CO2 extinguisher on the fire, there is no guarantee it will work.

May the crew and passengers of this flight rest in peace.

[RingoSkulkin]

In my opinion, BEA is the pinnacle of air crash investigation agencies. This incident is undoubtedly a testament to their excellence, but it was the AF447 investigation that truly cemented this for me.

Consider the context: the plane was French, the airline was French, the pilots were French—it was a deeply sensitive case. The entire investigation was fraught with challenges, as it essentially required scrutinizing their own countrymen. The BEA must have faced immense pressure from Air France, Airbus executives, and other influential parties who might have preferred the investigation to quietly fade away or be sugar-coated.

Yet, they persisted. They didn’t cave to national pride or patriotism, nor did they compromise the integrity of their work. Instead, they released one of the most chilling reports in aviation history—one that exposed the raw truths and shook the industry to its core.

An organization capable of setting aside biases, no matter how deeply ingrained, to pursue the truth with such diligence and thoroughness deserves all the respect in the world.

[steve-marsh]

It always amazes me how investigators can gather so much information from so few sources. Incredibly skilled and experienced teams!

[blaggercoyote]

I find it astonishing that smoking was permitted in the cockpit.